I installed pex tubing (truck air brake line) and the push connect fittings in my shop, and have freinds tha have used it for years. No problems. Easy to modify (I added additional outlets after I installed my lift) I ran mine on the shop wall, not in the wall.
This is a great deal. You can buy more **** from china, and help put an american out of work. Don't you guys understand what you are doing to our economy, and our kids future.....